<template>
    <div>
        <van-tabbar fixed
            route
            v-model="active"
            @change="handleChange">
            <van-tabbar-item v-for="(item, index) in data"
                :to="item.to"
                :icon="item.icon"
                :key="index">
                {{ item.title }}
            </van-tabbar-item>
        </van-tabbar>
    </div>
</template>
<script>
export default {
    name: 'TabBar',
    props: {
        defaultActive: {
            type: Number,
            default: 0
        },
        data: {
            type: Array,
            default: () => {
                return []
            }
        }
    },
    data() {
        return {
            active: this.defaultActive
        }
    },
    methods: {
        handleChange(value) {
            this.$emit('change', value)
        }
    }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h3 {
  margin: 40px 0 0;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  display: inline-block;
  margin: 0 10px;
}
a {
  color: #42b983;
}
</style>
